128729988

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{1453}}^1$

素因数の和:1593

約数の個数: 72

約数和(自身を含む): 342957888

約数和(自身を除く): 214227900

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 107, 138, 207, 214, 276, 321, 414, 428, 642, 828, 963, 1284, 1453, 1926, 2461, 2906, 3852, 4359, 4922, 5812, 7383, 8718, 9844, 13077, 14766, 17436, 22149, 26154, 29532, 33419, 44298, 52308, 66838, 88596, 100257, 133676, 155471, 200514, 300771, 310942, 401028, 466413, 601542, 621884, 932826, 1203084, 1399239, 1865652, 2798478, 3575833, 5596956, 7151666, 10727499, 14303332, 21454998, 32182497, 42909996, 64364994, 128729988]

約数ペア:

[(1, 128729988), (2, 64364994), (3, 42909996), (4, 32182497), (6, 21454998), (9, 14303332), (12, 10727499), (18, 7151666), (23, 5596956), (36, 3575833), (46, 2798478), (69, 1865652), (92, 1399239), (107, 1203084), (138, 932826), (207, 621884), (214, 601542), (276, 466413), (321, 401028), (414, 310942), (428, 300771), (642, 200514), (828, 155471), (963, 133676), (1284, 100257), (1453, 88596), (1926, 66838), (2461, 52308), (2906, 44298), (3852, 33419), (4359, 29532), (4922, 26154), (5812, 22149), (7383, 17436), (8718, 14766), (9844, 13077)]